【关键词】 甲型肝炎病毒;,,戊型肝炎病毒;,,联合疫苗;,,剂量配比;,,免疫原性 Immunogenicity of experimentally combined hepatitis A and hepatitis E vaccine at different dosage ratio [Abstract] AIM: To evaluate the immunogenicity of experimentally combined hepatitis A and hepatitis E (cHA+E) vaccine and analyze the interactions between the two antigenic components in vaccine. METHODS: N..